Heat transfer analysis of Radiative-Marangoni Convective flow in nanofluid comprising Lorentz forces and porosity effects


Zari I. Gul T. Dosmagulova K. Saee T. Haq S.
31 March 2023DergiPark

Advances in the Theory of Nonlinear Analysis and its Applications
2023#7Issue 161 - 81 pp.

The present work investigates the impacts of the Lorentz forces, porosity factor, viscous dissipation and radiation in thermo-Marangoni convective flow of a nanofluids (comprising two distinct kinds of carbon nanotubes (CNTS)), in water (H2O). Heat transportation developed bv Marangoni forces happens regularly in microgravity situations, heat pipes, and in crystal growth. Therefore, Marangoni convection is considered in the flow model. A nonlinear system is constructed utilizing these assumptions which further converted to ordinary differential equations (ODEs) by accurate similarity transformations. The homotopic scheme is utilized to compute the exact solution for the proposed system. The study reveals that higher estimations of Hartmann number and Marangoni parameter speed up the fluid velocity while the opposite behavior is noted for porosity factor. Further, the rate of heat transfer shows upward trend for the Hartmann number, Marangoni parameter, nanoparticle solid volume fraction, radiation parameter whereas a downward trend is followed by the Brinkman number and porosity factor. It is fascinating to take observe that contemporary analytical outcomes validate the superb convergence with previous investigation.

Lorentz forces , Marangoni boundary layer flow , Porosity effect , SWCNTs/MWCNTs , Viscous dissipation

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University of Peshawar, Khybar Pakhtunkhwa, Pakistan
Department of Mathematics, City University of Science and Information Technology, Khybar Pakhtunkhwa, Peshawar, Pakistan
Engineering Department, Cambridge Graphene Centre, Electrical Engineering Division, Cambridge University, Cambridge, United Kingdom
Department of Mathematics, Al-Farabi Kazakh National University, Almaty, Kazakhstan
Department of Mathematics, Analysis Logic and Discrete Mathematics, Ghent Universit, Ghent, Belgium
Department of Mathematics, University of Peshawar, Khybar Pakhtunkhwa, Pakistan
Jinnah College for Women, University of Peshawar, Khybar Pakhtunkhwa, Pakistan

University of Peshawar
Department of Mathematics
Engineering Department
Department of Mathematics
Department of Mathematics
Department of Mathematics
Jinnah College for Women

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